BIRDS OF NORTH AND MIDDLE AMERICA. 745 



BUBO VIRGINIANUS PACIFICUS Cassin. 



CALirORlTIA HORNED OWL, 



Similar to B. v. pallescens but darker throughout, the feet more 

 heavily mottled with dusky, the face usually with more decided tinge 

 or suffusion of tawny; slightly smaller. 



Adultmale.— Wing, 313-353 (336.5); tail, 190-218 (204.5); culmen 

 (from cere), 25-27 (26). « 



Adult female.— Wing, 350-370 (360.7); tail, 213-228 (219.3); cul- 

 men (from cere), 27-28 (27.5).'' 



California, except southeastern part (Colorado Desert district) and 

 coast district north of 35°; north to south-central Oregon (Ft. Kla- 

 math), east to San Francisco Mountain, western Arizona; northern 

 Lower CaUfornia (except eastern side) ? 



Bubo virginianus (not Strix virginiana Gmelin) Gambel, Proc. Ac. Nat. Sci. 

 Phila., iii, 1846, 46 (California).— Cassin, Illustr. Birds Calif., Tex., etc., 

 1854, 177, part; in Baird, Rep. Pacific R. R. Surv., ix, 1858, 49, part (Sacra- 

 mento, San Diego, and Ft. Reading,California).— Baird, Cat. N. Am. Birds, 

 1859, no. 48, part.— Heermann, Rep. Pacific R. R. Surv., iv, no. 2, 1859, 35 

 (Ft. Tejon, and near Sacramento, California).— Cooper, Om. Calif., 1870, 

 418, part. 

 [Bubo] virginianus Gray, Hand-list, i, 1869, 43, no. 442, part.— Coues, Key N. 

 Am. Birds, 1872, 202, part. 



Bubo magellanicus {not Bubo magellanicus'Da.\idin)'H.EERMANi^,Joum.Ac.l<isit. Sci. 

 Phila., ii, 1852, 261 (Sacramento Valley). 



Bubo virginianus subarcticu^ (not Bubo subarcticus Hoy) Mearns, Bull. Nutt. Om. 

 Club, iv, 1879, 195 (Ft. Klamath, Oregon).— Ridg way, Proc. U. S. Nat. Mu.^., 

 iii, 1880, 191, part; Nom. N. Am. Birds, 1881, no. 405a, part.— American 

 Ornithologists' Union, Check List, 1886 (and 2d ed., 1895), no. 375a, 

 part.— TowNSEND (C. H.), Proc. U. S. Nat. Mus., x, 1887, 204 (Red Bluff, 

 California).— (?)Bryant (W. E.), Proc. Calif. Ac. Sci., ser. 2, ii, 1889, 284 

 (San Pedro Martir Mts., 2,500-10,000 ft.; Magdalena I., Comandu, Ubi, and 

 Calmalli, Lower California). — (?) Anthony, Zoe, iv, 1893, 235 (San Pedro 

 Martir Mts. and wooded coast valleys, n. Lower California). 



Bubo virginianus, d. subarcticus [Ridgway and] Belding, Proc. U. S. Nat. Mus., 

 i, March 22, 1879, 433 (Calaveras Big Trees and Marysville, California). 



Bubo virginianus pacificus Cassin, Illustr. Birds Calif., Tex., etc., 1854, 178, part; 

 in Baird, Rep. Pacific R. R. Surv., ix, 1858, 49, part. — Stone, Am. Nat., 

 xxxi, 1897, 236. — American Ornithologists' Union Committee, Auk, xiv, 

 1897, 119; xvi, 1899, 110; Check List, 3rd ed., 1910, 175.— Grinnell (J.), 

 Pub. 2, Pasadena Ac. Sci., 189G, 24 (Los Angeles Co., California); Pacific 

 Coast Avifauna, no. 3, 1902, 35 (range); Univ. Calif. Pub. Zool., v, 1908, 60. 



B[ubo] virginianus pacificus Stone, Auk, xiii, 1896, 156 (diagnosis). 



[Bubo virginianus.] var. pacificus Cooper, Orn. Calif., 1870, 418, part. 



Bubo pacificus Gurney, Cat. Birds of Prey, 1894, 39. 



[Bubo] pacificus Sharps, Hand-list, i, 1899, 282. 



Bubo magellanicus pacificus Thayer and Bangs, Condor, ix, 1907, 137 (Rosario, 

 Lower California). 



Asio v[irginianus] pacificus Stone, Auk, xx, July, 1903, 275. 



Asia magellanicus pacificus Oberholser, Proc. U. S. Nat. Mus., xxvii, Jan. 22, 

 1904, 183 (monogr.). 



a Six specimens. '' Four specimens. 



